Infiniti F50. Manual — part 709
POWER STEERING OIL PUMP
PS-25
C
D
E
F
H
I
J
K
L
M
A
B
PS
5.
Remove snap ring from drive shaft assembly and press out it.
CAUTION:
When removing snap ring, be careful not to damage drive
shaft assembly.
6.
Using a screwdriver, remove oil seal from housing.
7.
Remove O-ring from housing.
8.
Loosen lock nut and remove washer, joint then remove connec-
tor bolt, O-ring and pull out flow control valve and spring from
housing.
CAUTION:
Be careful not to drop and deform the flow control valve.
9.
Remove suction pipe from housing.
10. Remove O-ring from housing.
INSPECTION AFTER DISASSEMBLY
Housing and Rear cover Inspection
●
Check housing and the inside of rear cover for damage. If any damage is found, replace with new part for
rear cover and replace with new power steering pump assembly for housing.
Cartridge Assembly Inspection
●
Check cam ring, side plate, rotor and vane for damage. If any damage is found, replace cartridge assem-
bly with new one.
SST010B
SST034A
SST036A
PS-26
POWER STEERING OIL PUMP
ASSEMBLY
NOTE:
Fix oil pump in vise as vise occasion demands.
CAUTION:
When retaining drive shaft assembly in a vise, always use copper or aluminum plates between vise
and shaft.
1.
Apply a coat of Genuine Nissan PSF or equivalent to oil seal lip
and to the circumference of oil seal. Using proper tool, such as
hand press machine, install it to housing.
NOTE:
Do not reuse oil seal
2.
Apply a coat of Genuine Nissan PSF or equivalent to drive shaft
assembly and press drive shaft assembly into housing with suit-
able tool, then install snap ring.
NOTE:
Do not reuse snap ring.
3.
Apply a coat of Genuine Nissan PSF or equivalent to O-ring and
install O-ring into housing.
NOTE:
Do not reuse O-ring.
4.
Install side plate to housing.
5.
Install lock pin into lock pin hole, and install cam-ring as shown
in the figure.
●
When installing cam-ring, turn carved face with a letter (E) of
it to rear cover.
CAUTION:
Do not confuse the assembling direction of cam-ring. If
cam-ring is installed facing the incorrect direction, it may
cause pump operation malfunction.
6.
Install rotor to housing.
SST038A
SGIA0422E
SST497A
POWER STEERING OIL PUMP
PS-27
C
D
E
F
H
I
J
K
L
M
A
B
PS
●
When installing rotor, turn punch mark face on rotor to hous-
ing.
7.
Install vane to rotor with facing the round portion outside.
8.
Check if drive shaft assembly turns smoothly.
9.
Install gasket to housing.
NOTE:
Do not reuse gasket.
10. Install rear cover to housing and tighten bolts at the specified
torque.
11. Install pulley to drive shaft assembly then tighten lock nut at the
specified torque.
12. Install spring, flow control valve, O-ring, connector bolt, joint,
washer to housing. Then tighten lock nut at the specified torque.
NOTE:
Do not reuse O-ring.
13. Apply a coat of Nissan PSF or equivalent to O-ring and install O-
ring to housing.
NOTE:
Do not reuse O-ring.
14. Install suction pipe to housing.
SST289A
SST843A
SGIA0425E
PS-28
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
PFP:00030
Steering Wheel
EGS0007A
Steering Angle
EGS0007B
Steering Column
EGS0007C
Steering Linkage
EGS0007D
Steering wheel axial end play:
0 mm (0 in)
Steering wheel free play
0 - 35 mm (0 - 1.38 in)
Drive type
2WD
1Inner wheel
Degree minute (Decimal degree)
Minimum
41
°
45
′
(41.75
°
)
Nominal
42
°
45
′
(42.75
°
)
Maximum
45
°
45
′
(45.75
°
)
Outer wheel
Degree mine (Decimal degree)
Nominal
33
°
50
′
(33.83
°
)
Steering column length, Length L
642 - 644 mm (25.28 - 25.35 in)
638
±
1 (Most contracted position of telescopic steering.) To
668
±
1 (Most extended position of telescopic steering.)
STC1136D
Steering gear type
PR26AF
Tie rod ball joint outer
socket
Oscillating torque
0.3 - 2.9 N·m (0.03 - 0.29 kg-m, 3 - 25 in-lb)
Spring balance reading
(Measuring point: stud bolt hole)
4.81 - 45.7 N (0.49 - 4.67 kg, 1.08 - 10.32 lb)
Sliding torque
0.3 - 2.9 N·m (0.03 - 0.29 kg-m, 3 - 25 in-lb)
Axial end play
0.5 mm (0.02 in) or less
Tie rod ball joint inner
socket
Oscillating torque
1.0 - 7.8 N·m (0.1 - 0.8 kg-m, 9 - 69 in-lb}
Measured value of spring scale (measuring
point: mark)
8.9 - 64 N (0.91 - 6.5 kg, 79 - 566 in)
Axial end play
0.2 mm (0.08 in) or less
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